Just after the gastroscopy should pay attention to the following points: 1, can not immediately eat and drink water, after the gastroscopy within half an hour, because the function of the throat has not recovered well, the anesthetic force of the throat area has not completely faded, in order to avoid water and food accidentally into the trachea, so you can not immediately eat and drink water. After two hours of gastroscopy, you can drink a little water, if you do not have a cough, you can eat liquid food or soft food to avoid bringing stimulation to the gastric mucosa. 2, you can take oral tablets to relieve throat discomfort, 1-2 days after gastroscopy, throat discomfort, you can take oral tablets to relieve, such as grass coral tablets. 3, patients who have done biopsy during gastroscopy, pay attention to the stool condition and If the stool is asphaltic or tarry, promptly go to the hospital, in the diet should pay attention to not stimulating strong and particularly hard food, can not drink strong tea and strong coffee, and can not smoke, drink.